Yenza udaka olutsha oluqulathe ukugcinwa kakuhle kwamanzi:

Inkqubo ye-cement hydration yinkqubo ecothayo, efana nesamente ayinakuqhagamshelana namanzi ixesha elide, i-samente ayiyi kukwazi ukuqhubeka ne-hydration, ngaloo ndlela ichaphazela ukuphuhliswa kwamandla kamva. I-polymer modified mortar inamandla aphezulu kunexabiso eliqhelekileyo, isizathu kukubai-polymer powder enokuchithwa kwakhonakuphucula amandla okugcina amanzi, ukwenzela ukuba amandla kamva e-samente anyuke. Okwesibini, ukubunjwa kwesigaba esincinci se-polymer kumdaka, phucula amandla ebhondi.

Ukuphucula ukusebenza kolwakhiwo lodaka olutsha:

Emva kokongeza umgubo wepolymer owenziwe ngokutsha kudaka olomileyo oluxutyiweyo, ukusebenza kodaka kuphuculwe kakhulu, nto leyo ibangelwa ikakhulu ngenxa yezi zizathu zilandelayo: A. Xa udibanisa umgubo wepolymer nodaka, ngenxa yokuba amasuntswana omgubo wepolymer adispersible aqatywe yi-colloid yokukhusela enyibilikayo emanzini. , Umaleko wokugquma unokuthintela ukuhlangana okungenakuguqulwa phakathi kwamasuntswana epolymer ukuze kubekho ifuthe lokuthambisa phakathi kwamasuntswana, amasuntswana epolymer anokuhlakazwa ngokulinganayo kubunzima bodaka lwesamente, La masuntswana asasaziweyo, njengeebheringi zebhola, anokwenza amacandelo odaka aqukuqele ngokwahlukileyo kwaye aphucule imveliso. ukusebenza kodaka. B. umgubo wepolymer odispersible ngokwawo uqulethe isiphumo esithile sokwenza umoya, umgubo wepolymer odispersible kwi-air induction effect kufuneka unike ukucinezeleka kodaka, ukuze udaka lube nokusebenza kakuhle kolwakhiwo. Ukongeza, ubukho bamaqamza amancinci bukwadlala indima eqengqelekayo kumxube ukuze kuphuculwe ukusebenza komxube.

I-polymer powder enokuchithwa kwakhonaukuphucula ukuguquguquka kunye nokumelana nokuqhekeka kodaka:

Emva kokoi-polymer powder enokuchithwa kwakhonaidityaniswe kudaka, umlinganiselo wokunyanzeliswa kodaka kunye ne-tensile ratio iphuculwe kakhulu, nto leyo ebonisa ukuba i-mortar brittleness iyancipha kakhulu, ukuqina kuphuculwe kakhulu, ukwenzela ukuba ukuxhathisa kokuqhekeka kodaka kuphuculwe.i-polymer powder enokuchithwa kwakhonakwifilimu yodaka, kungekuphela nje ukugcwalisa iintsilelo kunye neepores kwilitye lesamente, kodwa nakwiimveliso ze-cementhydration kunye negluing edibeneyo ukwenza i-polymer interpenetrating network, kuba imodyuli e-elastiki yefilimu yepolymer isezantsi kunodaka, ngoko ke ukonakala kodaka. iyancipha. Ukuguquguquka kodaka kwandisa umda omkhulu wokuguqulwa kodaka xa wonakalisiwe, kwaye amandla afunwa sisiphene kunye nokusabalalisa kwe-micro-crack afunnwe kumlinganiselo omkhulu, ukuze udaka lukwazi ukuthwala uxinzelelo olukhulu ngaphambi kokungaphumeleli. Ukongezelela, ifilimu ye-polymer iqulethe i-self-stretching mechanism, kwaye ifilimu ye-polymer yenza i-skeleton eqinile kwi-samente ye-hydrated mortar, equlethe impembelelo edibeneyo ehambayo, ukuqinisekisa ukuqina kunye nokuqina kwe-skeleton eqinile. Kukho i-pores ebusweni befilimu ye-polymer eyenziwe phezu kweengqungquthela zodaka, kwaye i-pores izaliswe ngodaka, okunciphisa uxinzelelo loxinzelelo kwaye luvelise ukuphumla ngaphandle komonakalo phantsi kwesenzo samandla angaphandle. Ubukho bokuguquguquka okuphezulu kunye ne-elasticity ephezulu yendawo ye-polymer ikwaphucula ukuguquguquka kunye nokuqina kodaka.